Acura B1241: Problem in the Front Blower Motor Circuit

Is your scanner showing Acura B1241?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Acura B1241: Problem in the Front Blower Motor Circuit

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$80-$150
Can I Still Drive?
:
Yes

What Does The Acura B1241 Code Mean?

Poor communication between the Front Blower Motor and the Climate Control Unit (“Open” or “Short”) condition.

NOTE: Perform the HVAC self-diagnostic function with the HDS.

What Are The Potential Causes Of The Acura B1241 Code?

  • Loose wires or poor connections on the front blower motor circuit
  • Blown fuse in the main under-hood fuse box
  • Blown fuse in the under-dash fuse/relay box
  • “Open” or “Short” in the wire(s) between the Climate Control Unit and the Front Power Transistor
  • “Short” in the wire(s) between the Climate Control Unit and the Front Blower Motor
  • Faulty Front Power Transistor
  • Faulty Front Blower Motor
  • Faulty Climate Control Unit

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Acura Climate Control Unit
>>> BOXI 700002 Front HVAC Blower Motor Fan Assembly for Acura MDX 2001-2006

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

2007-2009 Acura MDX HVAC Climate Control Service Manual for B1241 – Pages 84-90.

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